Table 1 Study design: The 16 interview formats according to baseline risk of heart attack, level of effectiveness, and initial piece of information
ARR | RRR | NNT | POL | ||||||
|---|---|---|---|---|---|---|---|---|---|
Baseline Risk | Level of effectiveness | Effect size | n | Effect size | n | Effect size | n | Effect size | n |
Low (5%) | Low | 2% | 79 | 40% | 79 | 50 | 68 | 4 mths | 69 |
High | 4% | 75 | 80% | 69 | 25 | 69 | 8 mths | 67 | |
High (15%) | Low | 5% | 71 | 33% | 73 | 20 | 82 | 8 mths | 86 |
High | 10% | 69 | 66% | 71 | 10 | 69 | 16 mths | 73 | |
Total | 294 | 292 | 288 | 295 | |||||